{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "DNA", "RNA", "cell line"], "input": "BHA was found to suppress not only PMA- or TNF- induced , but also constitutive , HIV-enhancer activity concomitant to an inhibition of NF-kappa B binding activity in both lymphoblastoid T ( J.Jhan ) and monocytic ( U937 ) cell lines ."}
{"cell type": [], "protein": ["NF-kappa B"], "DNA": [], "RNA": [], "cell line": ["lymphoblastoid T", "J.Jhan", "monocytic ( U937 ) cell lines", "U937"]}